- Title'Improvements relating to Electric Semi-Conductor Devices such as Crystal Diodes and Crystal Triodes' by Siemens Electric Lamps and Supplies Ltd Patent Application No. 24963/53
- ReferenceUK0108 SC MSS 135/C/36
- Date1953
- Physical descriptionNumber of pieces: 1
- LanguageEnglish.
- Persons keywordSiemens Electric Lamps and Supplies Ltd
- SubjectSemiconductors
- Conditions governing accessOpen access
- Level of descriptionfile
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